config npm
npm config ls
npm config set cache "D:
odejs
ode_cache"
npm config set prefix "D:
odejs
ode_global"
config environment
NODE_HOME = "D:
odejs"
%NODE_HOME%;%NODE_HOME%
ode_cache;%NODE_HOME%
ode_global
config taobao mirror registry
npm install -g cnpm --registry=https://registry.npm.taobao.org